From: Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>
Date: Fri, 15 May 2026 06:23:23 +0000 (+0530)
Subject: arm64: dts: qcom: hamoa-iot-evk: add MCP2518FD CAN on spi18
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=181bef739979466b6ede95b34d6c94d0250b1c0e;p=thirdparty%2Flinux.git

arm64: dts: qcom: hamoa-iot-evk: add MCP2518FD CAN on spi18

Enable the Microchip MCP2518FD CAN-FD controller on hamoa. The controller
is connected via SPI18 and uses a 40 MHz oscillator.

Signed-off-by: Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260515-hamoa-spi-can-devicetree-v2-1-d0e922608065@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
index 460f27dcd6f69..c7ba4b353ddd2 100644
--- a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
+++ b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
@@ -29,6 +29,14 @@
 		pinctrl-names = "default";
 	};
 
+	clocks {
+		mcp2518fd_osc: clock-40000000 {
+			compatible = "fixed-clock";
+			clock-frequency = <40000000>;
+			#clock-cells = <0>;
+		};
+	};
+
 	wcd938x: audio-codec {
 		compatible = "qcom,wcd9385-codec";
 
@@ -1227,6 +1235,19 @@
 	};
 };
 
+&spi18 {
+	status = "okay";
+
+	can@0 {
+		compatible = "microchip,mcp2518fd";
+		reg = <0>;
+		interrupts-extended = <&tlmm 68 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&mcp2518fd_osc>;
+		spi-max-frequency = <14000000>;
+		microchip,xstbyen;
+	};
+};
+
 &swr0 {
 	status = "okay";